text: // Create a variable called msg to hold a message that will be shown on the page
  // Find the width of the browser window, and put this in the msg variable
  var msg = '<h2>browser window</h2><p>width: ' + window.innerWidth + '</p>';
  // Find the height of the window and add it to the msg variable
  msg += '<p>height: ' + window.innerHeight + '</p>';
  // Find the number of items in the browser window's history and add it to the msg variable
  msg += '<h2>history</h2><p>items: ' + window.history.length + '</p>';
  // Find the width of the computer screen and add it to the msg variable
  msg += '<h2>screen</h2><p>width: ' + window.screen.width + '</p>';
  // Find the height of the computer screen and add it to the msg variable
  msg += '<p>height: ' + window.screen.height + '</p>';
  
  // Create a variable called el to hold the element whose id attribute has a value of info
  var el = document.getElementById('info');
  // Write the message into that element
  el.innerHTML = msg;
  // Find the location of the current page and display it in an alert box
  alert('Current page: ' + window.location);